Home / 1,617,989.76-2,427,269.76-552,781.44

Finding the Fourth Proportional to 1,617,989.76, 2,427,269.76 and 552,781.44

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Solution

The fourth proportional to 1,617,989.76, 2,427,269.76 and 552,781.44 is: 829,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,989.76 : 2,427,269.76 = 552,781.44 : x
  2. Step 2: Convert to fraction form
    1,617,989.76/2,427,269.76 = 552,781.44/x
  3. Step 3: Cross multiply
    1,617,989.76x = 2,427,269.76 × 552,781.44
  4. Step 4: Simplify right side
    1,617,989.76x = 1,341,749,673,201.25
  5. Step 5: Solve for x
    x = 1,341,749,673,201.25/1,617,989.76
  6. Step 6: Final answer
    x = 829,269.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.